iwlwifi: mvm: allocate dedicated queue for cab in dqa mode
In DQA mode, allocate a dedicated queue (#3) for content
after beacon (AKA "CaB").
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h
index 9652687..b38cb03 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api.h
@@ -89,6 +89,7 @@
/*
* DQA queue numbers
*
+ * @IWL_MVM_DQA_GCAST_QUEUE: a queue reserved for P2P GO/SoftAP GCAST frames
* @IWL_MVM_DQA_BSS_CLIENT_QUEUE: a queue reserved for BSS activity, to ensure
* that we are never left without the possibility to connect to an AP.
* @IWL_MVM_DQA_MIN_MGMT_QUEUE: first TXQ in pool for MGMT and non-QOS frames.
@@ -102,6 +103,7 @@
* @IWL_MVM_DQA_MAX_DATA_QUEUE: last TXQ in pool for DATA frames
*/
enum iwl_mvm_dqa_txq {
+ IWL_MVM_DQA_GCAST_QUEUE = 3,
IWL_MVM_DQA_BSS_CLIENT_QUEUE = 4,
IWL_MVM_DQA_MIN_MGMT_QUEUE = 5,
IWL_MVM_DQA_MAX_MGMT_QUEUE = 8,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
index c02c105..43fd857 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
@@ -447,13 +447,19 @@
/* Allocate the CAB queue for softAP and GO interfaces */
if (vif->type == NL80211_IFTYPE_AP) {
- u8 queue = find_first_zero_bit(&used_hw_queues,
- mvm->first_agg_queue);
+ u8 queue;
- if (queue >= mvm->first_agg_queue) {
- IWL_ERR(mvm, "Failed to allocate cab queue\n");
- ret = -EIO;
- goto exit_fail;
+ if (!iwl_mvm_is_dqa_supported(mvm)) {
+ queue = find_first_zero_bit(&used_hw_queues,
+ mvm->first_agg_queue);
+
+ if (queue >= mvm->first_agg_queue) {
+ IWL_ERR(mvm, "Failed to allocate cab queue\n");
+ ret = -EIO;
+ goto exit_fail;
+ }
+ } else {
+ queue = IWL_MVM_DQA_GCAST_QUEUE;
}
vif->cab_queue = queue;